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04a7657f | 1 | /* $Id$ */ |
2 | ||
3 | #ifndef ALIPWG0HELPER_H | |
4 | #define ALIPWG0HELPER_H | |
5 | ||
6 | #include <TObject.h> | |
7 | ||
8 | // static helper functions | |
9 | ||
10 | class AliESD; | |
770a1f1d | 11 | class AliESDEvent; |
116083b1 | 12 | class AliESDVertex; |
04a7657f | 13 | class TParticle; |
dd367a14 | 14 | class TH1; |
15 | class TH2; | |
25db2d85 | 16 | class TH3; |
116083b1 | 17 | class AliHeader; |
6b62a9c7 | 18 | class AliGenEventHeader; |
116083b1 | 19 | class AliStack; |
9cd015f7 | 20 | class TTree; |
04a7657f | 21 | |
22 | class AliPWG0Helper : public TObject | |
23 | { | |
24 | public: | |
1c15d51a | 25 | enum Trigger { kMB1 = 0, kMB2, kSPDFASTOR }; // definition from ALICE-INT-2005-025 |
745d6088 | 26 | enum AnalysisMode { kInvalid = -1, kSPD = 0, kTPC, kTPCITS }; |
6b62a9c7 | 27 | // in case we want to use bitmaps... |
1c15d51a | 28 | enum MCProcessType { kInvalidProcess = -1, kND = 0x1, kDD = 0x2, kSD = 0x4 }; |
e9c3977b | 29 | |
116083b1 | 30 | static Bool_t IsEventTriggered(const AliESD* aEsd, Trigger trigger = kMB2); |
31 | static Bool_t IsEventTriggered(ULong64_t triggerMask, Trigger trigger = kMB2); | |
85737496 | 32 | static const AliESDVertex* GetVertex(AliESDEvent* aEsd, AnalysisMode analysisMethod, Bool_t debug = kFALSE,Bool_t bRedoTPC = false); |
51f6de65 | 33 | static const Bool_t TestVertex(const AliESDVertex* vertex, AnalysisMode analysisMode, Bool_t debug = kFALSE); |
770a1f1d | 34 | |
7584d357 | 35 | static Bool_t IsPrimaryCharged(TParticle* aParticle, Int_t aTotalPrimaries, Bool_t adebug = kFALSE); |
36 | ||
1c15d51a | 37 | static AliPWG0Helper::MCProcessType GetEventProcessType(AliHeader* aHeader, Bool_t adebug = kFALSE); |
38 | static AliPWG0Helper::MCProcessType GetPythiaEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE); | |
39 | static AliPWG0Helper::MCProcessType GetDPMjetEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE); | |
a67484a6 | 40 | static Int_t GetLastProcessType() { return fgLastProcessType; } |
6b62a9c7 | 41 | |
116083b1 | 42 | static TParticle* FindPrimaryMother(AliStack* stack, Int_t label); |
43 | static Int_t FindPrimaryMotherLabel(AliStack* stack, Int_t label); | |
44 | ||
29771dc8 | 45 | static void CreateProjections(TH3* hist, Bool_t save = kFALSE); |
46 | static void CreateDividedProjections(TH3* hist, TH3* hist2, const char* axis = 0, Bool_t putErrors = kFALSE, Bool_t save = kFALSE); | |
4c351225 | 47 | static const char* GetAxisTitle(TH3* hist, const char axis); |
116083b1 | 48 | |
dd367a14 | 49 | static void NormalizeToBinWidth(TH1* hist); |
50 | static void NormalizeToBinWidth(TH2* hist); | |
51 | ||
d1f50534 | 52 | static void PrintConf(AnalysisMode analysisMode, Trigger trigger); |
53 | ||
04a7657f | 54 | protected: |
a67484a6 | 55 | static Int_t fgLastProcessType; // stores the raw value of the last process type extracnted |
56 | ||
04a7657f | 57 | ClassDef(AliPWG0Helper, 0) |
61385583 | 58 | |
59 | private: | |
60 | AliPWG0Helper(const AliPWG0Helper&); | |
61 | AliPWG0Helper& operator=(const AliPWG0Helper&); | |
04a7657f | 62 | }; |
63 | ||
64 | #endif | |
65 |